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T. Hida
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MA 12 - Circumventing EGFR Resistance (ID 665)
- Event: WCLC 2017
- Type: Mini Oral
- Track: Advanced NSCLC
- Presentations: 1
- Moderators:Wan Ling Tan, Nobuyuki Yamamoto
- Coordinates: 10/17/2017, 11:00 - 12:30, F205 + F206 (Annex Hall)
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MA 12.02 - Phase I/II Study of S49076, a MET/AXL/FGFR Inhibitor, Combined with Gefitinib in NSCLC Patients Progressing on EGFR TKI (ID 7974)
11:05 - 11:10 | Author(s): T. Hida
- Abstract
- Presentation
Background:
S49076 is a potent ATP-competitive TKI that targets MET, AXL and FGFR1/2/3 at clinically relevant doses. Preclinical data showed that combination of S49076 with 1[st] generation EGFR-TKI can overcome acquired resistance to EGFR inhibition in a NSCLC EGFR-mutated MET-amplified cell model. Here we report interim phase I data from NSCLC patients treated with S49076 in combination with gefitinib to overcome acquired non-EGFR-T790M-mediated resistance to EGFR TKI (1[st]/2[nd] generation).
Method:
This is a phase I dose-finding study of S49076 combination with a standard dose of gefitinib using a modified Bayesian Continual Reassessment Method with S49076 doses of 500 and 600mg. Both agents are administered orally once daily. The primary objective is to determine the safety profile of the combination and the recommended phase 2 dose (RP2D) based on safety assessments. Patients are selected according to tumor status; they carried an activating-EGFR mutation without secondary T790M mutation and with at least one of the following dysregulations: MET IHC3+, MET FISH 2+/3+, or AXL IHC 2+/3+.
Result:
In June 2017, molecular screening was performed in 48 EGFR/T790M-negative tumor samples to assess MET and AXL dysregulation. 17/48 met the molecular eligibility criteria: 12/17 with MET overexpression/amplification; 4/17 with both MET overexpression/amplification and AXL overexpression; and 1/17 with AXL overexpression. As regards S49076 dose levels, 4 patients were included at 500 mg and 4 at 600 mg. Five patients discontinued treatment: 4 disease progression and 1 consent withdrawal. The most frequent related AEs (≥2 patients) were asthenia (n=5), diarrhea, nausea and paronychia (n=4 each), ASAT/ALAT increase, anemia, and yellow skin (n=3 each), peripheral edema, stomatitis, blood creatinine increase, vomiting, hypoalbuminemia, and decreased appetite (n=2 each); most were grade 1-2. A DLT occurred in 1 patient at 600mg (grade 3 stomatitis). The other severe related AEs included grade 3 ALAT increase, asthenia, and neutrophil count decrease. Concomitant intake of gefitinib did not appear to modify the S49076 PK profile as compared to previous data. The best overall response rate were partial response (PR, 1/8), stable disease (SD, 6/8), and progressive disease (1/8), including 3 patients with PR/SD ≥6 months.
Conclusion:
According to preliminary data, the frequency of MET and AXL dysregulations is consistent with the literature. Combination of S49076 and gefitinib is well tolerated and safety data are consistent with the overall safety profile of each drug. The phase II part of this study will start once the RP2D is defined to evaluate the anti-tumour activity of the combination.
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MA 17 - Locally Advanced NSCLC (ID 671)
- Event: WCLC 2017
- Type: Mini Oral
- Track: Locally Advanced NSCLC
- Presentations: 1
- Moderators:S. Jheon, Georgios Stamatis
- Coordinates: 10/17/2017, 15:45 - 17:30, F203 + F204 (Annex Hall)
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MA 17.06 - Safety Data from Randomized Phase II Study of CDDP+S-1 vs CDDP+PEM Combined with TRT for Locally Advanced Non-Squamous NSCLC (ID 8296)
16:20 - 16:25 | Author(s): T. Hida
- Abstract
- Presentation
Background:
Both cisplatin (CDDP)+S-1 and CDDP+pemetrexed (PEM) can be given at full systemic doses with thoracic radiotherapy (TRT) in locally advanced non-small cell lung cancer (NSCLC), and CDDP+PEM is one of the standard chemotherapy regimens in patients with advanced non-squamous (non-sq) NSCLC. This multicenter, randomized, open-label, phase II study (SPECTRA) compared the efficacy and safety of the two above-mentioned promising regimens combined with TRT in patients with unresectable locally advanced non-sq NSCLC.
Method:
Patients were randomly assigned to receive CDDP+S-1 (CDDP 60mg/m2, d1, and S-1 80mg/m2, d1-14, q4w, up to 4 cycles) or CDDP+PEM (CDDP 75mg/m2, d1, and PEM 500mg/m2, d1, q3w, up to 4 cycles) combined with TRT 60Gy in 30 fractions. The primary endpoint was 2-year progression-free survival (PFS) rate. If the 2-year PFS rate is assumed to be 25% in the inferior therapy group and 15% higher in the superior therapy group of this study, the sample size needed for selection of the optimum treatment group at a probability of approximately 95% will be 51 cases/group with the Simon’s selection design. The sample size was set at 100 patients.
Result:
Between Jan 2013 and Oct 2016, 102 patients were enrolled in this study from 9 institutions in Japan. All 102 patients were eligible and assessable, of whom 52 were assigned to CDDP+S-1 and 50 to CDDP+PEM. Baseline characteristics were similar (CDDP+S-1/CDDP+PEM): median age (range) 64.5 (39-73)/63.5 (32-74) years; women, n=17 (33%)/n=17 (34%); stage IIIB, n=21 (40%)/n=20 (40%); ECOG PS of 1, n=14 (27%)/n=14 (28%); never smoker, n=12 (23%)/n=12 (24%); and adenocarcinoma, n=47(90%)/n=45(90%). Completion rate of TRT (60Gy) and chemotherapy (4 cycles) was 92%/98% and 73%/86%, respectively. Response rate was 60%/64%. Grade 3 or higher toxicities included febrile neutropenia (12%/2%), anorexia (8%/16%), diarrhea (8%/0%), esophagitis (6%/8%), pneumonia (4%/4%), neutropenia (38%/52%), anemia (8%/12%), thrombocytopenia (4%/6%), and hyponatremia (12%/12%). Grade 1 radiation pneumonitis was observed in 8 (15%)/2 (4%) patients on the basis of the data collected 30 days or less after the discontinuation of protocol treatment. No treatment-related death was observed. The data on PFS and overall survival are immature.
Conclusion:
Response rate was similar between the two arms. Toxicities were tolerable and manageable in both arms; however febrile neutropenia was more frequently observed in the CDDP+S-1 arm. We will present the updated safety data of this study at the conference. Survival data will be analyzed in late 2018.
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MA 19 - Mesothelioma: Bench to Bedside (ID 680)
- Event: WCLC 2017
- Type: Mini Oral
- Track: Mesothelioma
- Presentations: 1
- Moderators:Dean A Fennell, Hedy Lee Kindler
- Coordinates: 10/18/2017, 11:00 - 12:30, Room 315
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MA 19.01 - A Phase II Study of Nivolumab: A Multicenter, Open-Label, Single Arm Study in Malignant Pleural Mesothelioma (MERIT) (ID 9111)
11:00 - 11:05 | Author(s): T. Hida
- Abstract
- Presentation
Background:
Malignant pleural mesothelioma (MPM) is a rare and highly aggressive malignancy with poor prognosis and limited treatment options beyond progression after platinum-based combination with pemetrexed chemotherapy. Nivolumab (anti-PD-1, ONO-4538, BMS-936558), a humanized monoclonal antibody, PD-1 immune-checkpoint inhibitor, has demonstrated antitumor activity and a manageable safety profile in several advanced malignancies. Here, we report the preliminary results of a phase II study to evaluate the efficacy and safety of Nivolumab in previously treated Japanese MPM patients (pts): ONO-4538-41/JapicCTI-No.163247.
Method:
This open-label study enrolled advanced or metastatic MPM pts previously treated with up to two regimens of chemotherapy including platinum-based combination therapy with pemetrexed. Enrollment criteria also included histologically-confirmed, unresectable MPM without prior surgery, measurable disease and ECOG performance status 0-1. There was no restriction of PD-L1 status. Pts received Nivolumab 240 mg flat dose Q2W until progression or unacceptable toxicity. The primary endpoint was the objective response rate (ORR) (modified RECIST by independent review committee, expected response rate was 19.2%); secondary endpoints included disease control rate (DCR), duration of response, progression-free survival (PFS), and overall survival (OS).
Result:
From July to October 2016, 34 pts were enrolled in 15 centers. Males: 85.2%, median age: 68.0 years (range 43-78), PS 1: 61.8%, epithelial/sarcomatoid/biphasic: 79.4%/8.8%/11.8%, 1 prior regimen: 70.6%. Median follow-up was 6.7 months. Independent review committee-assessed 6-month ORR was 29.4% (n=10, 95%CI: 16.8-46.2) and objective responses were observed across tissue types, epithelioid 7/27 (25.9%), sarcomatoid 2/3 (66.7%), biphasic 1/4 (25.0%). 13 pts (38.2%) had stable disease, resulting in a 6-month DCR of 67.6%. Median PFS was 6.1 months (95%IC: 2.9-NR). Median OS has not been reached. 6-month PFS and OS rates are 50.9% (95%CI: 32.7-66.5) and 85.3% (95%IC: 68.2-93.6). 23 (67.6%) pts experienced drug-related adverse event (DRAE), and 7 (20.6%) experienced grade 3/4 DRAEs. 2 pts required dose discontinuation because of pneumonitis (Grade2 and 3).
Conclusion:
Single-agent Nivolumab has significant activity in 2[nd]/3[rd] line MPM pts and met the primary endpoint, suggesting that Nivolumab has a potential to be a new therapeutic option for MPM.
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OA 05 - Next Generation TKI (ID 657)
- Event: WCLC 2017
- Type: Oral
- Track: Advanced NSCLC
- Presentations: 1
- Moderators:James Chih-Hsin Yang, Fiona Blackhall
- Coordinates: 10/16/2017, 15:45 - 17:30, Room 301 + 302
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OA 05.08 - Final Result of Phase I/II Study (AF-001JP) of Alectinib, a Selective CNS-Active ALK Inhibitor, in ALK+ NSCLC Patients (Pts) (ID 9732)
17:00 - 17:10 | Author(s): T. Hida
- Abstract
- Presentation
Background:
Alectinib (ALC) is a selective, CNS-active ALK tyrosine kinase inhibitor. In two Phase 3 studies (J-ALEX and ALEX), ALC proved superior efficacy and tolerability compared to crizotinib (CRZ). Here we report the final efficacy and safety results of the 46 pts enrolled in the phase II part of study AF-001JP with a longer follow-up period than that observed in J-ALEX and ALEX studies.
Method:
ALC 300 mg b.i.d was given to ALK+ NSCLC pts who were ALK inhibitor-naive and had disease progression after at least one line of chemotherapy to investigate the efficacy and safety until the investigator confirmed no further clinical benefits.
Result:
This study was completed in December 2016. The median treatment duration was 46.1 months (range: 1-62). 20 of 46 pts were on treatment with alectinib at the study termination. Progressive disease (PD) was confirmed in 20 pts (43%). Median PFS was not reached and 4-year PFS rate was 52% (95% CI: 36-66). 14 of 46 pts had CNS metastasis at baseline. Median PFS was 38 months (95% CI: 9-NE) in pts with CNS metastases and was not reached in pts without CNS metastases. Four pts had CNS progression and the 4-year cumulative incidence rate of CNS progression was 9.5%. Median OS was not reached and the 4-year OS rate was 70% (95% CI: 54-81). Safety profile was similar to that reported previously and there were no treatment-related Grade 4 or 5 adverse events for this long administration period.
Conclusion:
Regardless of CNS metastases at baseline, ALC have demonstrated excellent efficacy in ALK+ NSCLC pts without prior ALK inhibitor treatment. ALC was well tolerated over a prolonged administration period.
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OA 17 - Immunotherapy II (ID 683)
- Event: WCLC 2017
- Type: Oral
- Track: Immunology and Immunotherapy
- Presentations: 1
- Moderators:Yuichiro Ohe, Anne Tsao
- Coordinates: 10/18/2017, 14:30 - 16:15, Room 301 + 302
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OA 17.07 - Long-Term Survival in Atezolizumab-Treated Patients with 2L+ NSCLC from Ph III Randomized OAK Study (ID 8663)
15:35 - 15:45 | Author(s): T. Hida
- Abstract
- Presentation
Background:
Atezolizumab (anti–PD-L1) inhibits PD-L1 binding to PD-1 and B7.1, restoring anti-cancer immunity. OAK, a Phase III study of atezolizumab vs docetaxel demonstrated superior OS of atezolizumab. The characteristics of the long-term survivors (LTS) in the OAK primary population (n = 850) are evaluated and describe the largest cohort of cancer immunotherapy-treated NSCLC LTS yet reported.
Method:
Patients received IV q3w atezolizumab (1200 mg) until PD / loss of clinical benefit or docetaxel (75 mg/m[2]) until PD / unacceptable toxicity. No crossover was allowed. LTS were defined as patients with OS ≥ 24 months and non-LTS as those who died within 24 months of randomization. Patients with OS censored prior to 24 months were not included. Data cutoff, January 23, 2017.
Result:
A higher 2-year survival rate was observed for the atezolizumab-arm (31%) vs docetaxel-arm (21%). After a minimum follow-up of 26 months, there were 119 LTS vs 279 non-LTS in the atezolizumab-arm and 77 LTS vs 299 non-LTS in the docetaxel-arm. Characteristics of atezolizumab-arm LTS and non-LTS are shown (Table). Atezolizumab-arm LTS were enriched for non-squamous histology and high PD-L1–expressing tumors, but also included low/no PD-L1–expressing tumors (40.3%). Atezolizumab-arm LTS had higher ORR (39.5%) than non-LTS (5.0%) but included LTS subjects with PD. 52.9% atezolizumab-arm vs 71.4% docetaxel-arm LTS received anti-cancer non-protocol therapy (NPT) after discontinuation of protocol-defined therapy. 51.9% of docetaxel-arm LTS vs 12.7% non-LTS received non-protocol immunotherapy. Median treatment exposure in atezolizumab-arm LTS was 18.0 months. Atezolizumab-arm LTS had a comparable safety profile to all atezolizumab-treated population.
Conclusion:
Atezolizumab provides superior 2-year OS benefit vs docetaxel and is well tolerated. The majority of docetaxel-arm LTS received a checkpoint inhibitor as NPT. Atezolizumab LTS appeared to have favorable prognostic factors, including non-squamous histology, but notably were not limited to patients with RECIST v1.1 response or with PD-L1 expression.Table. Characteristics of Atezolizumab-Arm Long-Term Survivors (LTS) vs Non-Long Term Survivors (Non-LTS) Atezolizumab LTS (n = 119) n (%) Atezolizumab Non-LTS (n = 279) n (%) Sex Male 61 (51.3) 183 (65.6) Female 58 (48.7) 96 (34.4) Tobacco use history Never smoker 29 (24.4) 47 (16.8) Current/previous smoker 90 (75.6) 232 (83.2) Histology Non-squamous 101 (84.9) 195 (69.9) Squamous 18 (15.1) 84 (30.1) No. of prior therapies, 1 89 (74.8) 209 (74.9) ECOG performance status at baseline 0 60 (50.4) 89 (31.9) 1 59 (49.6) 190 (68.1) EGFR mutation status, positive 11 (9.2) 26 (9.3) PD-L1 IHC subgroup TC3 or IC3 28 (23.5) 39 (14.0) TC1/2/3 or IC1/2/3 71 (59.7) 156 (55.9) TC0 and IC0 48 (40.3) 119 (42.7) Best overall response Complete response 5 (4.2) 0 (0) Partial response 42 (35.3) 14 (5.0) Stable disease 47 (39.5) 97 (34.8) Progressive disease 25 (21.0) 142 (50.9) IC, tumor-infiltrating immune cell; TC, tumor cell. TC3 or IC3 = PD-L1 ≥ 50% TC or 10% IC; TC1/2/3 or IC1/2/3 = PD-L1 ≥ 1% on TC or IC; TC0 and IC0 = PD-L1 < 1% on TC and IC. NCT02008227.
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P1.03 - Chemotherapy/Targeted Therapy (ID 689)
- Event: WCLC 2017
- Type: Poster Session with Presenters Present
- Track: Chemotherapy/Targeted Therapy
- Presentations: 1
- Moderators:
- Coordinates: 10/16/2017, 09:30 - 16:00, Exhibit Hall (Hall B + C)
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P1.03-005 - Phase 2 Study of Ceritinib in Patients with ALK+ NSCLC with Prior Alectinib Treatment in Japan: ASCEND-9 (ID 8417)
09:30 - 09:30 | Author(s): T. Hida
- Abstract
Background:
ALK inhibitors are a standard of care for ALK-positive metastatic NSCLC and several ALK inhibitors are currently available. Alectinib is one of the recommended therapies as 1[st] line treatment for ALK-positive metastatic NSCLC in Japan based on robust progression-free survival (PFS) prolongation and favorable safety profile. However, even with treatment with alectinib, these cancers eventually progress after acquiring resistance against alectinib. Therefore, which drug should be chosen after alectinib is relevant clinical question. Recently, ceritinib, which is a highly selective oral ALK inhibitor, has demonstrated superior activity compared to chemotherapy in the 1[st] line setting for patients with ALK-positive metastatic NSCLC (ASCEND-4, Soria et al. Lancet 2017). It also showed clinically meaningful benefit in patients who failed to prior ALK inhibitor treatment including alectinib (Nishio et al. J Thorac Oncol 2015). In this study, we tried to evaluate efficacy and safety of ceritinib in ALK-positive metastatic NSCLC patients who progressed on alectinib treatment.
Method:
ASCEND-9 (NCT02450903) is a single-arm, open-label, multicenter, phase 2 study of ceritinib 750 mg/day (fasted) in adult patients with ALK+ (Vysis ALK Break Apart FISH Probe kit test), stage IIIB/IV NSCLC previously treated with alectinib and had subsequent disease progression. Other key inclusion criteria are ≥ 1 measurable lesion per RECIST 1.1 and WHO PS 0-1. Patients must have received previous treatment with alectinib, but prior crizotinib and/or up to 1 chemotherapy regimen are allowed. Patients with asymptomatic CNS metastases are eligible. Ceritinib may be continued beyond RECIST-defined PD. Primary endpoint is investigator assessed-overall response rate (ORR) per RECIST 1.1. Secondary endpoints include disease control rate (DCR), time to response (TTR), duration of response (DOR), PFS and safety. Biomarkers are evaluated for exploratory purpose.
Result:
Twenty patients were enrolled at 10 centers in Japan from Aug 2015 to Feb 2017. At present, the study is underway, and the results including ORR, DCR, TTR, DOR, PFS, safety and exploratory biomarker data will be presented at the 2017 WCLC.
Conclusion:
Section not applicable.
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P2.07 - Immunology and Immunotherapy (ID 708)
- Event: WCLC 2017
- Type: Poster Session with Presenters Present
- Track: Immunology and Immunotherapy
- Presentations: 1
- Moderators:
- Coordinates: 10/17/2017, 09:30 - 16:00, Exhibit Hall (Hall B + C)
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P2.07-028 - Efficacy and Safety of Nivolumab in Non-Small Cell Lung Cancer Patients Who Relapse after Thoracic Radiotherapy (ID 8928)
09:30 - 09:30 | Author(s): T. Hida
- Abstract
Background:
In patients undergoing thoracic radiotherapy (TRT), anti-programmed cell death-1 (PD-1) antibodies including nivolumab and pembrolizumab may enhance cytotoxic effects. However, the risk of pneumonitis may be increased and this issue is truly worthy of consideration.
Method:
We retrospectively evaluated a total of 42 patients with non-small cell lung cancer who relapsed after TRT with or without concurrent chemotherapy and have undergone nivolumab at two institutions between December 2012 and May 2017.
Result:
The median age of all patients was 67.5 years (range 39–76 years), and 5 patients (12%) were female. Five patients (12%) had postoperative recurrent disease, 7 patients (17%) had stage IV disease and the remaining 30 patients (71%) had stage III disease. Thirty patients (71%) received thoracic radiotherapy concurrent with cytotoxic chemotherapy. Eleven patients received nivolumab within 6 months after completion of TRT (Group A) and 31 patients received nivolumab more than 6 months after completion of TRT (Group B). For the patients in this study, response rate (RR) was 19% and median progression-free survival was 3.2 months. Group A had significantly shorter PFS than Group B (Group A; 1.4 months vs Group B; 5.5 months, p=0.018, log-rank test). Nine patients (21%) experienced possible treatment-related pneumonitis, two patients were in Group A and 7 patients were in Group B. All three patients who experienced grade 5 pneumonitis were in Group B; received nivolumab after 9 months, 11 months and 46 months after completion of TRT, respectively.
Conclusion:
Patients who were resistant to TRT had significantly shorter PFS. Regarding pulmonary toxicity, the risk of pneumonitis may be higher in the patients who received nivolumab after TRT and more attention should be paid to the patients who received it more than 6 months of completing TRT.
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P2.15 - SCLC/Neuroendocrine Tumors (ID 716)
- Event: WCLC 2017
- Type: Poster Session with Presenters Present
- Track: SCLC/Neuroendocrine Tumors
- Presentations: 1
- Moderators:
- Coordinates: 10/17/2017, 09:30 - 16:00, Exhibit Hall (Hall B + C)
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P2.15-004 - Underrepresentation of Elderly Patients with ED-SCLC as Clinical Trial Candidates (JCOG1201/TORG1528) (ID 8837)
09:30 - 09:30 | Author(s): T. Hida
- Abstract
Background:
Since December 2013, we initiated a phase II/III trial [Japan Clinical Oncology Group (JCOG) 1201/Thoracic Oncology Research Group (TORG) 1528: UMIN000012605] for elderly patients with extensive-disease small-cell lung cancer (ED-SCLC). Aim of the study is to demonstrate that a carboplatin plus irinotecan regimen is superior to carboplatin plus etoposide in elderly patients with ED-SCLC. However, the patient accrual rate did not satisfactorily match our expectations a year from the time of initiation of our study. To define factors related to low accrual, we searched institutional records and analyzed.
Method:
We collected data of elderly patients with ED-SCLC from each institution and investigated the total number of elderly patients with ED-SCLC, number of patients eligible/ineligible for the study, numbers of patients registered for the study, and the reasons for non-registration of even eligible patients. Doctor-reported questionnaires concerning elderly (≥71 years old) ED-SCLC patients diagnosed in their institutions were sent to chief or coordinate doctors at each institution in December 2014.
Result:
We received a response from 32 (84%) of 38 institutions. Approximately 260 patients were diagnosed as elderly patients with ED-SCLC in the last year. Only 100 patients (38%) were eligible for the JCOG 1201/TORG1528 trial. Reasons for ineligibility primarily included poor performance status (PS) (25%), low organ functions (25%), interstitial pneumonitis (19%) and double cancer (18%). Only 23 patients among the 100 eligible candidates accrued to the study. The primary reasons for non-accrual were delayed approval from the Institutional Review Board (IRB) of the individual institution (24%), physician preferences (23%), patient refusal (18%), and registration for other trials (12%).
Conclusion:
Our data demonstrated that 62% of ED-SCLC patients were ineligible for the protocol due to frailty with the most frequent reason being comorbidities such as poor PS and low organ functions. However, inactive institutions need to increase their efforts to register a greater number of eligible patients in addition to obtaining quicker IRB approval of protocol. Based on responses to questionnaires sent out as part of our investigation, in January 2016, the protocol was revised in terms of eligibility criteria to enhance patient accrual. Eligibility criteria for participation of elderly patients with ED-SCLC need to be formulated prudently so that patients are benefitted in routine clinical practice.
